Mounting adapter



FIG. 1 is a perspective view of a mounting adapter showing my new design;

FIG. 2 is an elevational view thereof;

FIG. 3 is an end view thereof from the right of FIG. 2;

FIG. 4 is an end view thereof from the left of FIG. 2;

FIG. 5 is a view thereof from the top of FIG. 2;

FIG. 6 is a view thereof from the bottom of FIG. 2; and,

FIG. 7 is a view thereof from the side opposite that shown in FIG. 2. 

The ornamental design for a mounting adapter, as shown. 